"use strict";

// import 'babel-polyfill';
const fn = () => {
  let aa = "wanggangqi";
  return aa;
};

console.log(fn());
var aa = new Promise((resolve, reject) => {
  setTimeout(resolve({
    aa: "123"
  }), 1000);
}).then(data => {
  console.log(data);
});